<template>
  <div class="table-container">
    <a-table :columns="columns" :data-source="data" :pagination="false">
      <template #name="text, row">
        <a-select default-value="lucy">
          <a-select-option value="jack">
            区间型
          </a-select-option>
          <a-select-option value="lucy">
            单一型
          </a-select-option>
        </a-select>
      </template>
      <template #math>
        <div class="count-container">
          <a-row type="flex">
            <a-col :span="4">
              <a-select default-value="jack1">
                <a-select-option value="jack1">
                  &gt;
                </a-select-option>
                <a-select-option value="lucy2">
                  &gt;=
                </a-select-option>
                <a-select-option value="lucy3">
                  &lt;
                </a-select-option>
                <a-select-option value="lucy4">
                  &lt;=
                </a-select-option>
              </a-select>
            </a-col>
          </a-row>
        </div>
      </template>
      <template #type="text, row" >
        <a-select default-value="lucy">
          <a-select-option value="jack">
            阈值
          </a-select-option>
          <a-select-option value="lucy">
            指标
          </a-select-option>
          <a-select-option value="tf">
            T/F
          </a-select-option>
        </a-select>
      </template>
      <template #value>
        <a-input></a-input>
      </template>
       <template #logic="text, row" >
        <a-select default-value="lucy">
          <a-select-option value="jack">
            and
          </a-select-option>
          <a-select-option value="lucy">
            or
          </a-select-option>
        </a-select>
      </template>
      <template
        v-for="col in ['name', 'math', 'type', 'value', 'logic']"
        :slot="col"
        slot-scope="text, record, index"
      >
        <div :key="col">
          <a-input
            style="margin: -5px 0"
            :value="text"
            @change="e => handleChange(e.target.value, record.key, col)"
          />
          <!-- <template v-else>
            {{ text }}
          </template> -->
        </div>
      </template> 

      <template slot="operation" slot-scope="text, record, index">
        <div class="editable-row-operations">
          <!-- <span v-if="record.editable"> -->
          <span v-if="record.editable">
            <a @click="() => save(record.key)">Save</a>
            <a-popconfirm title="Sure to cancel?" @confirm="() => cancel(record.key)">
              <a>Cancel</a>
            </a-popconfirm>
          </span>
          <span v-else>
            <a  @click="() => edit(record.key)">删除</a>
            <!-- <a :disabled="editingKey !== ''" @click="() => edit(record.key)">删除</a> -->
          </span>
        </div>
      </template>
    </a-table>
    <a-button class="button" type="dashed" block @click="addRow" v-if="!disabled">
      +  添加
    </a-button>
  </div>
</template>
<script>
const columns = [
  {
    title: '指标名称',
    dataIndex: 'name',
    width: '15%',
    scopedSlots: { customRender: 'name' },
  },
  {
    title: '运算符',
    dataIndex: 'math',
    width: '40%',
    scopedSlots: { customRender: 'math' },
  },
  {
    title: '类型',
    dataIndex: 'type',
    width: '40%',
    scopedSlots: { customRender: 'type' },
  },
  {
    title: '值',
    dataIndex: 'value',
    scopedSlots: { customRender: 'value' },
  },
  {
    title: '逻辑符',
    dataIndex: 'logic',
    scopedSlots: { customRender: 'logic' },
  },
]

const data = []
for (let i = 0; i < 5; i++) {
  data.push({
    key: i.toString(),
    name: `Edrward ${i}`,
    age: 32,
    address: `London Park no. ${i}`,
    disabled: false
  })
}
export default {
  data () {
    this.cacheData = data.map(item => ({ ...item }))
    return {
      data,
      columns,
      editingKey: '',
    }
  },
  props:['init'],
  created() {
    if(this.init) {
      console.log('初始化')
       this.data = [{name:'', count:'', type:'', value:''}]
       for (let i = 0; i < 1; i++) {
        data.push({
          key: i.toString(),
          name: `Edrward ${i}`,
          age: 32,
          address: `London Park no. ${i}`,
          count:'',
          disabled: false
        })
      }
    }
  },
  methods: {
    handleChange (value, key, column) {
      const newData = [...this.data]
      const target = newData.filter(item => key === item.key)[0]
      if (target) {
        target[column] = value
        this.data = newData
      }
    },
    edit (key) {
      const newData = [...this.data]
      const target = newData.filter(item => key === item.key)[0]
      this.editingKey = key
      if (target) {
        target.editable = true
        this.data = newData
      }
    },
    save (key) {
      const newData = [...this.data]
      const newCacheData = [...this.cacheData]
      const target = newData.filter(item => key === item.key)[0]
      const targetCache = newCacheData.filter(item => key === item.key)[0]
      if (target && targetCache) {
        delete target.editable
        this.data = newData
        Object.assign(targetCache, target)
        this.cacheData = newCacheData
      }
      this.editingKey = ''
    },
    cancel (key) {
      const newData = [...this.data]
      const target = newData.filter(item => key === item.key)[0]
      this.editingKey = ''
      if (target) {
        Object.assign(target, this.cacheData.filter(item => key === item.key)[0])
        delete target.editable
        this.data = newData
      }
    },
    addRow () {
      console.log('addRow')
       this.data.push({
          name:'',
          math:'',
          type:'',
          value:''
        })
    }
  },
}
</script>
<style lang="scss" scoped>
.editable-row-operations a {
  margin-right: 8px;
}

.button {
  margin-top: $margin-xs;
}
</style>
